# Fibonacci numbers module

def fib(n):    #write fibonacci Series up to n
    a,b=0,1
    while b<n:
        print b,
        a,b=b,a+b

def fib2(n):    # return fibonacci series up to n
    result=[]
    a,b=0,1
    while b<n:
        result.append(b)
        a,b=b,a+b
    return result




